/*
 * $QNXLicenseC:
 * Copyright 2007, QNX Software Systems. All Rights Reserved.
 * 
 * You must obtain a written license from and pay applicable license fees to QNX 
 * Software Systems before you may reproduce, modify or distribute this software, 
 * or any work that includes all or part of this software.   Free development 
 * licenses are available for evaluation and non-commercial purposes.  For more 
 * information visit http://licensing.qnx.com or email licensing@qnx.com.
 *  
 * This file may contain contributions from others.  Please review this entire 
 * file for other proprietary rights or license notices, as well as the QNX 
 * Development Suite License Guide at http://licensing.qnx.com/license-guide/ 
 * for other information.
 * $
 */

#include "externs.h"

char *optarg;
int  optind;
int  optopt;
int  opterr;

int
getopt(int argc, char * const argv[], const char *opts) {
    static	char	*cp;
    static	int		last_optind;

	if (optind == -1) {
		last_optind = 0;
        optind = 1;
	}
	if (optind == 0) {
		optind = 1;
	}
	if (optind >= argc) {
		return -1;
	}
	if (last_optind != optind) {
		cp = argv [optind];
		last_optind = optind;
		if (*cp++ != '-' || *cp == 0) {
			return -1;
		}
	}
	if (*cp == '-') {
		++optind;
		return -1;
	}
	for (; *opts; ++opts) {
		if (*opts == ':') continue;
		if (*cp == *opts) break;
	}
	optarg = cp;
	++optind;
	if ((optopt = *opts++)) {
		if (*++cp) {
			if (*opts == ':') {
				optarg = cp;
			} else {
				--optind;
			}
		} else {
			if (*opts == ':') {
				if (optind < argc) {
				    optarg = argv [optind];
					optind++;
				} else {
					optopt = '?';
				}
			}
		}
	} else {
		optopt = '?';
	}
	return optopt;
}

__SRCVERSION("kgetopt.c $Rev: 153052 $");
